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The Tianshan Radio Experiment for Neutrino Detection (TREND) is a sino-french collaboration (CNRS/IN2P3 and Chinese Academy of Science) developing an autonomous antenna array for the detection of high energy Extensive Air Showers (EAS) on…

Instrumentation and Methods for Astrophysics · Physics 2019-08-14 Olivier Martineau-Huynh

An antenna array devoted to the autonomous radio-detection of high energy cosmic rays is being deployed on the site of the 21 cm array radio telescope in XinJiang, China. Thanks in particular to the very good electromagnetic environment of…

Instrumentation and Methods for Astrophysics · Physics 2011-02-28 D. Ardouin , C. Carloganu , D. Charrier , Q. Gou , H. Hu , L. Kai , P. Lautridou , O. Martineau-Huynh , V. Niess , O. Ravel , T. Saugrin , X. Wu , J. Zhang , Y. Zhang , M. Zhao , Y. Zheng

GRANDProto300 (hereafter referred to as GP300) is a pioneering prototype array of the GRAND experiment. It consists of 300 radio antennas and will cover an area of 200 km$^2$ in a radio-quiet region of western China. Serving as a test bench…

High Energy Astrophysical Phenomena · Physics 2025-07-09 Pengxiong Ma , Yi Zhang , Xing Xu , Bohao Duan , Shen Wang , Kewen Zhang , Pengfei Zhang , Xin Xu

GRANDProto300 is a 300-antenna prototype array of the envisioned GRAND (Giant Radio Array for Neutrino Detection) project. The goal of GRANDProto300 is to detect radio signals emitted by cosmic ray-induced air showers, with energies ranging…

Instrumentation and Methods for Astrophysics · Physics 2023-07-26 Kai-Kai Duan , Peng-Xiong Ma , Ke-Wen Zhang , Xiao-Yuan Huang , Yi Zhang

The Giant Radio Array for Neutrino Detection (GRAND) is an envisioned observatory of ultra-high-energy neutrinos, cosmic rays, and gamma rays, with energies above 100 PeV. GRAND targets the radio signals emitted by extensive air showers…

Instrumentation and Methods for Astrophysics · Physics 2023-07-25 Peng-Xiong Ma , Bo-Hao Duan , Xin Xu , Ke-Wen Zhang , Kai-Kai Duan , Shen Wang , Yi Zhang , Peng-Fei Zhang

GRANDProto300, the mid-scale prototype of the GRAND experiment, is a planned radio array of 300 antennas over $200\, \rm km^{2}$ that will be deployed in the radio-quiet location of Xiao Dushan (China) by $\sim 2026$. The array will act as…

High Energy Astrophysical Phenomena · Physics 2024-09-05 Simon Chiche

GRANDProto300 is one of the prototype experiments of the Giant Radio Array for Neutrino Detection. It will feature about 300 radio antenna detectors in Xiaodushang in Dunhuang, China, covering a total geometrical area of about 200 km$^2$. A…

Instrumentation and Methods for Astrophysics · Physics 2025-07-10 Sei Kato , Clément Prévotat , Rafael Alves Batista

The GRAND project aims to detect ultra-high-energy neutrinos, cosmic rays and gamma rays, with an array of $200,000$ radio antennas over $200,000\,{\rm km}^2$, split into $\sim 20$ sub-arrays of $\sim 10,000\,{\rm km}^2$ deployed worldwide.…

High Energy Astrophysical Phenomena · Physics 2021-08-03 Kumiko Kotera

The GRANDProto300 (GP300) experiment is the first stage of the Giant Radio Array for Neutrino Detection (GRAND) project. It will be deployed between 2020 and 2021 in a radio-quiet area, at $3000\,$m of altitude at the rim of the Tibetan…

Instrumentation and Methods for Astrophysics · Physics 2019-09-12 Valentin Decoene

Large-scale cosmic-ray detectors like the Giant Radio Array for Neutrino Detection (GRAND) are pushing the boundaries of our ability to identify air shower events. Existing trigger schemes rely solely on the timing of signals detected by…

Instrumentation and Methods for Astrophysics · Physics 2024-09-02 Jelena Köhler , Aurélien Benoit-Lévy , Pablo Correa , Arsène Ferriere , Tim Huege , Kumiko Kotera , Olivier Martineau-Huynh , Simon Prunet , Markus Roth

The Giant Radio Array for Neutrino Detection (GRAND) is a distributed, sparse ground antenna array designed to detect the radio emission from highly inclined extensive air showers induced by ultra-high-energy particles in the atmosphere. We…

Instrumentation and Methods for Astrophysics · Physics 2024-09-02 Lukas Gülzow , Tim Huege , Kumiko Kotera , Olivier Martineau , Markus Roth , Felix Schlüter

This proceeding gives a summary of the current status and open questions of the radio technique for cosmic-ray air showers, assuming that the reader is already familiar with the principles. It includes recent results of selected experiments…

High Energy Astrophysical Phenomena · Physics 2017-03-20 Frank G. Schröder

Over the last decades, radio detection of air showers has been established as a promising detection technique for ultrahigh-energy cosmic rays and neutrinos. Very large or dense antenna arrays are necessary to be proficient at collecting…

Instrumentation and Methods for Astrophysics · Physics 2018-11-28 Anne Zilles , Olivier Martineau-Huynh , Kumiko Kotera , Matias Tueros , Krijn de Vries , Washington Carvalho , Valentin Niess

The Hellenic Open University extensive air shower array (also known as Astroneu array) is a small scale hybrid detection system operating in an area with high levels of electromagnetic noise from anthropogenic activity. In the present study…

Instrumentation and Detectors · Physics 2023-01-18 S. Nonis , A. Leisos , A. Tsirigotis , G. Bourlis , K. Papageorgiou , I. Gkialas , I. Manthos , S. Tzamarias

Radio antennas have become a standard tool for the detection of cosmic-ray air showers in the energy range above $10^{16}\,$eV. The radio signal of these air showers is generated mostly due to the deflection of electrons and positrons in…

High Energy Astrophysical Phenomena · Physics 2025-10-28 Frank G. Schröder

Air-shower radio arrays operate in low signal-to-noise ratio conditions, which complicates the autonomous measurement of air-shower signals without using an external trigger from optical or scintillator detectors. A simple threshold trigger…

Instrumentation and Methods for Astrophysics · Physics 2021-08-11 P. Bezyazeekov , O. Fedorov , Y. Kazarina , O. Kopylova , D. Kostunin , V. Lenok , S. Malakhov

Detection of the mostly geomagnetically generated radio emission of cosmic-ray air showers provides an alternative to air-Cherenkov and air-fluorescence detection, since it is not limited to clear nights. Like these established methods, the…

High Energy Astrophysical Phenomena · Physics 2017-01-20 Frank G. Schröder

The Auger Engineering Radio Array (AERA) is an enhancement of the Pierre Auger Observatory in Argentina. Covering about View the $17\,$km$^2$, AERA is the world-largest antenna array for cosmic-ray observation. It consists of more than 150…

Instrumentation and Methods for Astrophysics · Physics 2019-08-13 Frank G. Schröder

Antenna arrays are beginning to make important contributions to high energy astroparticle physics supported by recent progress in the radio technique for air showers. This article provides an update to my more extensive review published in…

Instrumentation and Methods for Astrophysics · Physics 2019-05-17 Frank G. Schröder

Over the last years, radio detection has matured to become a competitive method for the detection of air showers. Arrays of thousands of antennas are now envisioned for the detection of cosmic rays of ultra high energy or neutrinos of…

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